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# Vector4::ToVector3
2026-03-20 02:35:15 +08:00
将 Vector4 转换为 Vector3丢弃 w 分量。
```cpp
Vector3 ToVector3() const
```
**返回:** `Vector3` - 转换后的 Vector3 (x, y, z)
**复杂度:** O(1)
**示例:**
```cpp
Vector4 pos4(1.0f, 2.0f, 3.0f, 1.0f);
Vector3 pos3 = pos4.ToVector3(); // (1, 2, 3)
```
2026-03-20 02:35:15 +08:00
## 相关文档
- [Vector4 总览](vector4.md)
- [Vector3 总览](../vector3/vector3.md)